ASSIGNMENT 4Textbook Assignment:“Internal Combustion Engine,” chapter 12, pages 12–1 through 12–23 and“Power Trains,” chapter 13, pages 13–1 through 13–18.4–1.4–2.4-3.4–4.An internal combustion engine is amachine that converts1.heat energy to mechanicalenergy through the burning of aliquid fuel2.mechanical energy to heatenergy through the burning of aliquid fuel3.mechanical energy to heatenergy through the burning of afuel–air mixture within itself4.heat energy to mechanicalenergy through the burning of afuel–air mixture within itselfAll internal combustion enginesrely on which of the followingthree things?1.Oil, water, and air2.Fuel, water, and ignition3.Air, fuel, and ignition4.Air, ignition,and waterIn the operation of a gasolineengine, what event forces eachpiston downward?1.Compression of fuel–air mixture2.Intake of fuel–air mixture3.Expansion of heated gases4.Exhaust of waste gasesWhat are the four basic parts of a1–cylinder internal combustionengine?1.Crankshaft, piston, connectingrod, and cylinder2.Piston, crankpin, cylinder, andcrankshaft bearing3.Crankshaft bearing, cylinder,connecting rod, and exhaustport4.Cylinder, intake port, exhaustport, and piston4-5.In what order do the strokes of a4–stroke Otto–cycle engine occurduring operation?1.Compression, power, exhaust,intake2.Compression, power, intake,exhaust3.Intake, compression, power.exhaust4.Intake, compression, exhaust,power4–6.During which complete stroke of agasoline engine is the cylinderpressure less than atmosphericpressure?1.Compression2.Power3.Intake4.Exhaust4–7.Which of the following eventsoccurs during a compression strokein1.2.3.4.the 4–stroke Otto–cycle engine?A partial vacuum is createdWaste gases are exhaustedVolume of air–fuel mixturedecreasesTemperature of air-fuel mixturedecreases4-8.How are the pressure andtemperature affected in an enginecylinder as the air–fuel mixture iscompressed?1.Pressure and temperaturedecrease2.Pressure and temperatureincrease3.Pressure decreases; temperatureincreases4.Pressure increases temperaturedecreases33
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